# import numpy as np
# import matplotlib.pyplot as plt
# plt.figure(figsize=(6,4))
# plt.rcParams['font.sans-serif']='SimHei'
# x = np.arange(1,6)
# y = np.array([30,40,50,20,60])
# plt.xlabel('x')
# plt.ylabel('y')
# for a,b in zip(x,y):
#     plt.text(x=a,y=b,s=b,fontsize=12,ha='center')
# plt.grid(axis='both')
# plt.plot(x,y)
# plt.legend(('语文',),loc='best')
# plt.savefig('C:/li.png')
# plt.show()
import numpy as np
import matplotlib.pyplot as plt
plt.figure(figsize=(8,6))
plt.rcParams['font.sans-serif']='SimHei'
plt